By Monday, Harry Potter books will be back on Springfield school library shelves. Last month, more than 650 copies of the best-selling children’s books were put on reserve – behind library counters at all 53 district schools – as a committee reviewed a grandmother’s complaint that the series taught witchcraft. “I’m making the decision to put the books back,” said Associate Superintendent Emmett Sawyer, who supervised the review process. “We realize this has been a controversial issue.”